September weather forecast
Northway Junction, AK

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Weather in September

The first month of the autumn, September, is still a cool month in Northway Junction, Alaska, with an average temperature ranging between min 36.5°F (2.5°C) and max 52°F (11.1°C).

Temperature

The move into September indicates a reduction in the average high-temperature, down from August's refreshing 63.3°F (17.4°C) to a cool 52°F (11.1°C). Northway Junction sees an average low-temperature of 36.5°F (2.5°C) during September.

Humidity

The average relative humidity in September is 69%.

Rainfall

In Northway Junction, Alaska, during September, the rain falls for 9.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Northway Junction, during the entire year, the rain falls for 82.1 days and collects up to 7.56" (192mm) of precipitation.

Snowfall

Months with snowfall in Northway Junction, Alaska, are January through May, August through December. In September, in Northway Junction, it is snowing for 2.2 days. Throughout September, 0.59" (15mm) of snow is accumulated. In Northway Junction, during the entire year, snow falls for 84.1 days and aggregates up to 17.28" (439mm) of snow.

Daylight

In Northway Junction, Alaska, the average length of the day in September is 12h and 56min.
On the first day of September, sunrise is at 6:16 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:58 pm AKDT.

Sunshine

In Northway Junction, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Northway Junction in September?

During September, Northway Junction experiences an average high-temperature of 52°F (11.1°C) and a low-temperature of 36.5°F (2.5°C).

What is the average humidity in September in Northway Junction?

In September, the average relative humidity in Northway Junction, Alaska, is 69%.

How many days does it rain in September in Northway Junction?

In Northway Junction, Alaska, in September, it is raining for 9.3 days, with typically 0.55" (14mm) of accumulated precipitation.

How many days does it snow in September in Northway Junction?

In Northway Junction, Alaska, during September, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the average length of the day in September in Northway Junction?

The average day length in September in Northway Junction, Alaska, is 12h and 56min.

When are sunrise and sunset in September in Northway Junction?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 8:37 pm. On the last day of the month, in Northway Junction, Alaska, sunrise is at 7:35 am and sunset at 6:58 pm AKDT.

How many hours of sunshine does Northway Junction have in September?

In Northway Junction, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Northway Junction?

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Northway Junction, AK

Average temperature in September - Northway Junction, AK
  • Average high temperature in September: 52°F

The warmest month (with the highest average high temperature) is July (69.4°F).
The month with the lowest average high temperature is January (-0.2°F).

  • Average low temperature in September: 36.5°F

The month with the highest average low temperature is July (49.8°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).

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Average pressure in September
Northway Junction, AK

Average pressure in September - Northway Junction, AK
  • Average pressure in September: 29.78"Hg

The month with the highest atmospheric pressure is February (30"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).

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Average wind speed in September
Northway Junction, AK

Average wind speed in September - Northway Junction, AK
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is March (3.8mph).

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Average humidity in September
Northway Junction, AK

Average humidity in September - Northway Junction, AK
  • Average humidity in September: 69%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (53%).

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Average rainfall in September
Northway Junction, AK

Average rainfall in September - Northway Junction, AK
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.24").

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Average rainfall days in September
Northway Junction, AK

Average rainfall days in September - Northway Junction, AK
  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is December (1.3 days).

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Average snowfall in September
Northway Junction, AK

Average snowfall in September - Northway Junction, AK
  • Average snowfall in September: 0.59"

The month with the highest snowfall is November (3.39").
The months with the least snowfall are June and July (0").

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Average snowfall days in September
Northway Junction, AK

Average snowfall days in September - Northway Junction, AK
  • Average snowfall days in September: 2.2 days

The month with the highest number of snowfall days is November (15.1 days).
The months with the least snowfall days are June and July (0 days).

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Average daylight in September /
Average sunshine in September
Northway Junction, AK

Average daylight in September / Average sunshine in September - Northway Junction, AK
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 13h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

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Average sunshine days in September
Northway Junction, AK

Average sunshine days in September - Northway Junction, AK
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (12.5 days).

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Average UV index in September
Northway Junction, AK

Average UV index in September - Northway Junction, AK
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).

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Average cloud cover in September
Northway Junction, AK

Average cloud cover in September - Northway Junction, AK
  • Average cloud cover in September: 41

The months with the most cloud cover are March and November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in September
Northway Junction, AK

Average visibility in September - Northway Junction, AK
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Northway Junction, Alaska, USA

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